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| Analyzed File: | BOOM ARM.ipt |
| Autodesk Inventor Version: | 2025 (Build 290162010, 162A) |
| Creation Date: | 5/22/2025, 7:22 PM |
| Study Author: | Peter Cross |
| Summary: | General Report of expected deformation of HIPS plastic boom arm assembly given 1.6x forces applied to a single arm |
General objective and settings:
Design Objective Single Point Study Type Static Analysis Last Modification Date 5/22/2025, 7:20 PM Model State [Primary] Detect and Eliminate Rigid Body Modes No iProperties
Summary
Title Company Project
Part Number BOOM ARM Physical
Material Polystyrene, High Impact Density 1.022 g/cm^3 Mass 0.045853 kg Area 14947.8 mm^2 Volume 44866 mm^3 Center of Gravity x=12.8012 mm
y=5.81411 mm
z=6 mmNote: Physical values could be different from Physical values used by FEA reported below.
Mesh settings:
Avg. Element Size (fraction of model diameter) 0.1 Min. Element Size (fraction of avg. size) 0.2 Grading Factor 1.5 Max. Turn Angle 60 deg Create Curved Mesh Elements Yes Material(s)
Name Polystyrene, High Impact General Mass Density 1.022 g/cm^3 Yield Strength 26.5 MPa Ultimate Tensile Strength 26.5 MPa Stress Young's Modulus 1.9 GPa Poisson's Ratio 0.38 ul Shear Modulus 0.688406 GPa Part Name(s) BOOM ARM.ipt Operating conditions
Gravity
Load Type Gravity Magnitude 9810.000 mm/s^2 Vector X 123.503 mm/s^2 Vector Y -9809.223 mm/s^2 Vector Z 0.000 mm/s^2 Selected Face(s)
Force:1
Load Type Force Magnitude 19.613 N Vector X 0.000 N Vector Y 19.613 N Vector Z 0.000 N Selected Face(s)
Moment:1
Load Type Moment Magnitude 200.000 N mm Vector X 0.000 N mm Vector Y -200.000 N mm Vector Z 0.000 N mm Selected Face(s)
Pin Constraint:1
Constraint Type Pin Constraint Fix Radial Direction Yes Fix Axial Direction Yes Fix Tangential Direction No Selected Face(s)
Fixed Constraint:1
Constraint Type Fixed Constraint Selected Face(s)
Fixed Constraint:2
Constraint Type Fixed Constraint Selected Face(s)
Results
Reaction Force and Moment on Constraints
Constraint Name Reaction Force Reaction Moment Magnitude Component (X,Y,Z) Magnitude Component (X,Y,Z) Pin Constraint:1 199.633 N -182.925 N 0.0352933 N m -0.0138144 N m 79.9005 N 0.0324773 N m 2.72697 N 0 N m Fixed Constraint:1 138.138 N 62.2489 N 0.246082 N m 0.00209686 N m -123.317 N 0.0106499 N m 0 N -0.245842 N m Fixed Constraint:2 122.96 N 120.551 N 0.0670574 N m 0.0281119 N m 24.1079 N 0.0587578 N m -2.35639 N -0.0159354 N m Result Summary
Name Minimum Maximum Volume 44865.9 mm^3 Mass 0.045853 kg Von Mises Stress 0.01179 MPa 9.03583 MPa 1st Principal Stress -2.04716 MPa 7.29908 MPa 3rd Principal Stress -10.7805 MPa 2.39555 MPa Displacement 0 mm 8.93737 mm Safety Factor 2.93277 ul 15 ul Figures
Von Mises Stress
1st Principal Stress
3rd Principal Stress
Displacement
Safety Factor
F:\Desktop\Projects\RTLS_VIC\CAD\BOOM ARM.ipt
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